			<td class="main" class="tdmain"><?php		$a = $_GET['act'];switch ($a){	case 'login':		include('modules/customer/login.php');		break;	case 'xl_login':		include('modules/customer/xl_login.php');		break;	case 'register':		include('modules/customer/register.php');		break;	case 'xl_register':		include('modules/customer/xl_register.php');		break;	case 'logout':		include('modules/customer/logout.php');		break;		case 'erorr':		include('modules/customer/erorr.php');		break;	default:		header('location: index.php');		break;		}?>						</td>